GI&comma;&lpar;GL&comma;Hot-dip galvanized steel coils and Hot-dip galvalume steel coil&rpar;1&comma; Introduction&colon; galvanized steel coils or galvalume steel coils is the basic metal for producing PPGI &comma;or used for surface directly&comma;like roofing sheet and so on&period;2&comma; Product feature&colon; Appearance of a variety of color Antirust and antiseptic&comma;durability&comma;etc&period;3&comma; Production Process&colon; Deoil&srarr;Acid pickling&srarr;Drying preheating&srarr;Hot-dip galvanizing&srarr;Finishing&srarr;Passivation4&comma; Application&colon; it is ideal for a wide range of applications&comma;such as pre-engineered buildings&comma; architectural panels&comma; roofing&comma; siding&comma; cladding&comma; and many other building components&period;and also used back plate of appliance&semi; wide range of construction&comma; furniture industry&comma; transportation industry&comma; etc&period;GI can be widely used in transportation&comma; light industry&comma; civil usage and farming&period; It is also the perfect building material in construction for making roofing tile&comma; steel profiles for wall partition&comma; T-bar&comma; studs&comma; fireproof door&comma; air conditioning duct and home appliance&period;